Vacuum



FIG. 1 is a front perspective view of a vacuum according to the invention.

FIG. 2 is a front view of the vacuum of FIG. 1.

FIG. 3 is a rear view of the vacuum of FIG. 1.

FIG. 4 is a left side view of the vacuum of FIG. 1.

FIG. 5 is a right side view of the vacuum of FIG. 1.

FIG. 6 is a top plan view of the vacuum of FIG. 1; and,

FIG. 7 is a bottom plan view of the vacuum of FIG. 1.

The portions shown in broken line do not form part of the claimed design. 

CLAIM The ornamental design for a vacuum, as shown and described. 